BE302977A - - Google Patents

Info

Publication number
BE302977A
BE302977A BE302977DA BE302977A BE 302977 A BE302977 A BE 302977A BE 302977D A BE302977D A BE 302977DA BE 302977 A BE302977 A BE 302977A
Authority
BE
Belgium
Application number
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Publication of BE302977A publication Critical patent/BE302977A/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/28—Envelopes; Vessels
    • H01K1/32—Envelopes; Vessels provided with coatings on the walls; Vessels or coatings thereon characterised by the material thereof
    • H01K1/325—Reflecting coating
BE302977D 1929-08-09 BE302977A ( )

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE344611X 1929-08-09

Publications (1)

Publication Number Publication Date
BE302977A true BE302977A ( )

Family

ID=3868075

Family Applications (1)

Application Number Title Priority Date Filing Date
BE302977D BE302977A ( ) 1929-08-09

Country Status (2)

Country Link
BE (1) BE302977A ( )
GB (1) GB344611A ( )

Also Published As

Publication number Publication date
GB344611A (en) 1931-03-12

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